diff --git a/Compiler/mpich/3/variants b/Compiler/mpich/3/variants
index 22f9e8b..16deb91 100644
--- a/Compiler/mpich/3/variants
+++ b/Compiler/mpich/3/variants
@@ -1,3 +1,4 @@
+mpich/3.2.1	stable		gcc/5.5.0
 mpich/3.2.1	stable		gcc/6.4.0
 mpich/3.2.1	stable		gcc/7.3.0
-mpich/3.2.1	unstable	intel/17.4
+mpich/3.2.1	stable		intel/17.4